Collision risk prevention equipment for aircraft

Details Collision risk prevention equipment for aircraft Collision risk prevention equipment for aircraft

2007-03-14

2009-02-17

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Aircraft collision avoidance system

With transponder

C342S030000, C342S029000, C342S043000, C342S165000, C342S173000

Reexamination Certificate

active

07492307

ABSTRACT:
This equipment is of the TCAS type. In order to improve its integrity and the reliability of its measurements, its computing unit is provided with a cross-checking function carrying out the comparison between two values of a same parameter, for example a relative distance with respect to an intruder, one of them generated by its own estimating means and the other communicated by another TCAS equipment installed on the intruding aircraft and generating a discordance alarm in the case of the observed difference exceeding a tolerance threshold. The computing unit is provided with fault locating means locating the aircraft whose TCAS is faulty when in the presence of several intruding aircraft, by examining the observed differences in pairs of values of a same parameter established for each intruding aircraft.

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patent: 2008/0211709 (2008-09-01), Smith et al.
patent: 02/05246 (2002-01-01), None

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